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Radiant|Lab Grown|IGI

6.63ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG840639638

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG840639638

Diamond specifications and retailer prices

From HK$22,494 HKD
$2,867 USD
As of October 31, 2026
Save HK$72,204 HKD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$94,698 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 6.63ct lab-grown radiant diamond

This 6.63ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840639638 or 840639638. Listed at 16 retailers as of October 30, 2026, with prices from HK$22,494 to HK$94,698, a HK$72,204 spread on the same certified stone. Brilliant Earth lists it at HK$94,698. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.63
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840639638
Dimensions13.20 × 9.07 × 6.10 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.20 mm9.07 mm6.63 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840639638
Side View
Table 65.0%Crown 44.4°Girdle: Slightly ThickPavilion 34.2°Culet: NoneDepth 67.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$94,698 HKD|Low: HK$22,494 HKD|High: HK$141,301 HKD|Avg: HK$50,319 HKD|-33.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 5HK$22,494 HKD
Retailer 10HK$24,187 HKD
Retailer 15HK$24,557 HKD
Retailer 9HK$31,458 HKD
Retailer 13HK$33,281 HKD
Retailer 14HK$34,184 HKD
Retailer 2HK$35,226 HKD
Retailer 16HK$40,884 HKD
Retailer 4HK$43,235 HKD
Retailer 3HK$44,240 HKD
Retailer 11HK$45,079 HKD
Retailer 8HK$52,563 HKD
Retailer 12HK$62,704 HKD
Retailer 7HK$63,291 HKD
Retailer 6HK$81,263 HKD
Brilliant EarthHK$94,698 HKD

27 data points across 16 retailers

16 retailersHK$22,494 HKD to HK$94,698 HKD

A
Cheapest Retailer
-
HK$22,494 HKD
$2,867 USD
Final sale: no returns
A
Retailer 2
-
HK$24,187 HKD
£2,427 GBP
View
A
Retailer 3
-
HK$24,557 HKD
$3,130 USD
View
B+
Retailer 4
-
HK$31,458 HKD
£3,157 GBP
View
B+
Retailer 5
-
HK$33,281 HKD
$4,242 USD
View
B+
Retailer 6
-
HK$34,184 HKD
$4,357 USD
View
B+
Retailer 7
-
HK$35,226 HKD
€4,276 EUR
View
B+
Retailer 8
-
HK$40,884 HKD
$5,211 USD
View
Retailer 9
-
HK$43,235 HKD
A$8,478 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
HK$44,240 HKD
£4,440 GBP
View
B+
Retailer 11
-
HK$45,079 HKD
ZAR 92,822 ZAR
View
Retailer 12
-
HK$52,563 HKD
A$10,307 AUD
View
Price last confirmed 22 days ago
B
Retailer 13
-
HK$62,704 HKD
£6,293 GBP
View
B
Retailer 14
-
HK$63,291 HKD
$8,067 USD
View
B
Retailer 15
-
HK$81,263 HKD
$10,358 USD
View
Most Expensive
B
Brilliant Earth
21675069A · Oct 30
HK$94,698 HKD
$12,070 USD
View
15 more retailers have this diamond
Prices start from HK$22,494 HKDSave up to HK$72,204 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
6.63ct Radiant
HK$22,494 HKD